Home / 168,486.12-252,711.83-56,154.20

Finding the Fourth Proportional to 168,486.12, 252,711.83 and 56,154.20

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Solution

The fourth proportional to 168,486.12, 252,711.83 and 56,154.20 is: 84,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,486.12 : 252,711.83 = 56,154.20 : x
  2. Step 2: Convert to fraction form
    168,486.12/252,711.83 = 56,154.20/x
  3. Step 3: Cross multiply
    168,486.12x = 252,711.83 × 56,154.20
  4. Step 4: Simplify right side
    168,486.12x = 14,190,829,099.86
  5. Step 5: Solve for x
    x = 14,190,829,099.86/168,486.12
  6. Step 6: Final answer
    x = 84,225.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.